#ifndef CAFFE_COMMON_CUH_
#define CAFFE_COMMON_CUH_

#include <cuda.h>

#if !defined(__CUDA_ARCH__) || __CUDA_ARCH__ >= 600

#else
static __inline__ __device__ double atomicAdd(double *address, double val) {
unsigned long long int* address_as_ull = (unsigned long long int*)address;
unsigned long long int old = *address_as_ull, assumed;
if (val==0.0)
return __longlong_as_double(old);
do {
assumed = old;
old = atomicCAS(address_as_ull, assumed, __double_as_longlong(val +__longlong_as_double(assumed)));
} while (assumed != old);
return __longlong_as_double(old);
}


#endif
#endif
